Home / 8,319.57-12,475.18-2,770.98

Finding the Fourth Proportional to 8,319.57, 12,475.18 and 2,770.98

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Solution

The fourth proportional to 8,319.57, 12,475.18 and 2,770.98 is: 4,155.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,319.57 : 12,475.18 = 2,770.98 : x
  2. Step 2: Convert to fraction form
    8,319.57/12,475.18 = 2,770.98/x
  3. Step 3: Cross multiply
    8,319.57x = 12,475.18 × 2,770.98
  4. Step 4: Simplify right side
    8,319.57x = 34,568,474.28
  5. Step 5: Solve for x
    x = 34,568,474.28/8,319.57
  6. Step 6: Final answer
    x = 4,155.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.